Protolabs
PRLB
188 hedge funds and large institutions have $765M invested in Protolabs in 2025 Q1 according to their latest regulatory filings, with 24 funds opening new positions, 60 increasing their positions, 69 reducing their positions, and 35 closing their positions.
86% more call options, than puts
Call options by funds: $4.03M | Put options by funds: $2.17M
2.69% more ownership
Funds ownership: 87.37% → 90.06% (+2.7%)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
6% less funds holding
Funds holding: 199 → 188 (-11)
9% less capital invested
Capital invested by funds: $837M → $765M (-$72.7M)
13% less repeat investments, than reductions
Existing positions increased: 60 | Existing positions reduced: 69
31% less first-time investments, than exits
New positions opened: 24 | Existing positions closed: 35
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DGI
Disciplined Growth Investors
Minneapolis,
Minnesota
|
+$19.6M |
| 2 |
Wellington Management Group
Boston,
Massachusetts
|
+$13.8M |
| 3 |
Arrowstreet Capital
Boston,
Massachusetts
|
+$9.35M |
| 4 |
Pacer Advisors
Malvern,
Pennsylvania
|
+$5.79M |
| 5 |
RCMNY
Rubric Capital Management (New York)
New York
|
+$4.57M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Hotchkis & Wiley Capital Management
Los Angeles,
California
|
-$6.82M |
| 2 |
BlackRock
New York
|
-$5.78M |
| 3 |
Goldman Sachs
New York
|
-$5.61M |
| 4 |
Morgan Stanley
New York
|
-$5.4M |
| 5 |
First Trust Advisors
Wheaton,
Illinois
|
-$4.49M |
PRLB Hedge Fund Activity: Q1 2025 in Review
188 of the 7,472 institutional investors tracked by Wall St. Rank reported a position in Protolabs (PRLB) for Q1 2025, worth a combined $765M — down 8.7% from $837M a quarter earlier.
Sellers outnumbered buyers: 35 funds closed out of PRLB and 24 opened new positions — a net loss of 11 holders — while 69 trimmed existing stakes and 60 added.
The largest buyer was Disciplined Growth Investors, adding an estimated $19.6M. The largest seller was Hotchkis & Wiley Capital Management, cutting an estimated $6.82M.
- 188 institutional investors held Protolabs (PRLB) as of Q1 2025, down from 199 in Q4 2024.
- Funds reported $765M of Protolabs stock for Q1 2025, down 8.7% quarter-over-quarter.
- 24 funds opened new Protolabs positions in Q1 2025 and 35 closed out, a net change of -11 holders.
- The largest Protolabs buyer in Q1 2025 was Disciplined Growth Investors, an estimated $19.6M added.
- The largest Protolabs seller in Q1 2025 was Hotchkis & Wiley Capital Management, an estimated $6.82M sold.
Based on aggregated 13F filings for Q1 2025.